package main.com.library.dao;

import main.com.library.bean.Grade;

public interface GradeMapper {
    int deleteByPrimaryKey(Byte id);

    int insert(Grade record);

    int insertSelective(Grade record);

    Grade selectByPrimaryKey(Byte id);

    int updateByPrimaryKeySelective(Grade record);

    int updateByPrimaryKey(Grade record);
}